835434864 has 240 divisors, whose sum is σ = 2766608640. Its totient is φ = 239345280.

The previous prime is 835434857. The next prime is 835434881. The reversal of 835434864 is 468434538.

835434864 is a `hidden beast` number, since 8 + 3 + 543 + 48 + 64 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1715229 + ... + 1715715.

It is an arithmetic number, because the mean of its divisors is an integer number (11527536).

Almost surely, 2^835434864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 835434864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1383304320).

835434864 is an abundant number, since it is smaller than the sum of its proper divisors (1931173776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

835434864 is a wasteful number, since it uses less digits than its factorization.

835434864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 522 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 45.

The square root of 835434864 is about 28903.8901188058. The cubic root of 835434864 is about 941.8264112770.

The spelling of 835434864 in words is "eight hundred thirty-five million, four hundred thirty-four thousand, eight hundred sixty-four".